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> The computerized GRE goes even further... it's like a videogame, it feeds you harder questions the better you do, then reverts to easier ones when you mess up.

Isn't that one of the better ways to finely calibrate a score? Rough approximation of heapsort?

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Yes, it definitely is!

It does feel a little crazy, though, when suddenly all the vocab words are like, "tergiversate" and "pulchritudinous". And then when you get them all wrong it's back to "the cat sat on the mat". :P

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